<form action="https://payments.chronopay.com/" method="POST">
    <!--<form action="http://wezze.ru/order/pay/callback/index.php" method="POST">-->
    <input type="hidden" name="product_id" value="<?php echo $product_id; ?>" />
    <input type="hidden" name="product_price" value="<?php echo $product_price; ?>" />
    <input type="hidden" name="cs1" value="client value 1" />
    <input type="hidden" name="cb_url" value="http://wezze.ru/order/pay/callback" />
    <input type="hidden" name="cb_type" value="P" />
    <input type="hidden" name="success_url" value="http://wezze.ru/order/pay/success" />
    <input type="hidden" name="decline_url" value="http://wezze.ru/order/pay/decline" />
    <input type="hidden" name="language" value="ru" />
    <input type="hidden" name="sign" value="<?php echo $sign; ?>" />
    <!--<input type="hidden" name="payment_type_group_id" value="21" />-->
    <input type="submit" value="Оплатить через ChronoPay" />
</form>